MC9S12DJ256 MOTOROLA [Motorola, Inc], MC9S12DJ256 Datasheet - Page 52

• Manufacturer Part Number: MC9S12DJ256
• Description: MC9S12DT256 Device User Guide V03.03
• Manufacturer: MOTOROLA [Motorola, Inc]

MC9S12DT256 Device User Guide — V03.03
1.7 Part ID Assignments
The part ID is located in two 8-bit registers PARTIDH and PARTIDL (addresses $001A and $001B after
reset). The read-only value is a unique part ID for each revision of the chip. Table 1-3 shows the assigned
part ID number.
The device memory sizes are located in two 8-bit registers MEMSIZ0 and MEMSIZ1 (addresses $001C
and $001D after reset). Table 1-4 shows the read-only values of these registers. Refer to section Module
Mapping and Control (MMC) of HCS12 Core User Guide for further details.
50
Address
$02C0
- $03FF
$02C0 - $03FF
Reserved
NOTES:
1. The coding is as follows:
Bit 15-12: Major family identifier
Bit 11-8: Minor family identifier
Bit 7-4: Major mask set revision number including FAB transfers
Bit 3-0: Minor - non full - mask set revision
Name
MC9S12DT256
Device
Read:
Write:
Table 1-3 Assigned Part ID Numbers
Reserved space
Table 1-4 Memory size registers
Bit 7
0
Register name
MEMSIZ0
MEMSIZ1
Bit 6
0
Mask Set Number
Bit 5
0L91N
0
Value
$25
$81
Bit 4
0
Bit 3
0
Part ID
$0030
Bit 2
0
1
Bit 1
0
Bit 0
0